Re: MPC8555 USB host support

From: Vitaly Bordug <vbordug@ru•mvista.com>
To: Kumar Gala <galak@kernel•crashing.org>
Cc: "'linuxppc-embedded@ozlabs•org'" <linuxppc-embedded@ozlabs•org>
Subject: Re: MPC8555 USB host support
Date: Wed, 16 Nov 2005 18:57:27 +0300	[thread overview]
Message-ID: <437B56E7.5090109@ru.mvista.com> (raw)
In-Reply-To: <F9559612-EC8F-44BB-BA15-05DB48D4F031@kernel.crashing.org>

Kumar Gala wrote:
> Hmm, we should understand what caveats it has and still look at getting 
> it into mainline.
> 
I also have a bunch of patches for gregkh, supporting serial function, but they need 
nontrivial cleanup I do not have time currently for. So I think I grab this one together 
with my stuff when I head for it.

> Also, are you aware of Freescale's driver for this?
> 
I used to try arabella one (came with MW bsp) but that version does not work with 8272.
If there are something usable, it will be interesting to look at.

> - kumar
> 
> On Nov 15, 2005, at 9:40 AM, Vitaly Bordug wrote:
> 
>> Kumar Gala wrote:
>>> Any reason not to get this driver into the kernel main line?
>> I guess because this device is known to work in some specific 
>> instance, but bot generic one. The best we can do is to consolidate 
>> our efforts to make it more usable or state that it is impossible.
>>
>>> - kumar
>>> On Nov 15, 2005, at 12:59 AM, Mike Rapoport wrote:
>>>> Hans Schillstrom wrote:
>>>>
>>>>> Hi Mike
>>>>> I'm working with a 8270 board and 2.6.12 kernel and searching for USB
>>>>> drivers.
>>>>>
>>>>> Could you help me finding the files ?
>>>>>
>>>> I've opened a project on the SourceForge, 
>>>> http://cpm2usb.sourceforge.net. The file containing patch against 
>>>> 2.6.12.3 can be downloaded at http://sourceforge.net/projects/cpm2usb.
>>>>
>>>>> I can help you with the testing.
>>>>> What status do they have right now ?
>>>>>
>>>> The driver was developed on MPC8272ADS, but should go as well on 
>>>> 8270 since they have the same USB host controller AFAIK.
>>>> Currently, as far as I tested it works fine with full-speed single 
>>>> device attached through hub, but fails is there are transfers 
>>>> from/to several devices simultaneously.
>>>> As for the code itself, it's far from being perfect.
>>>>
>>>>> Regards Hans
>>>>>
>>>>
>>>>
>>>> --Sincerely yours,
>>>> Mike Rapoport
>>>>
>>>>
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>>
>>
>> --Sincerely,
>> Vitaly
> 
> 


-- 
Sincerely,
Vitaly